Home / 22,163.89-30,585.35-12,604.16

Finding the Fourth Proportional to 22,163.89, 30,585.35 and 12,604.16

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Solution

The fourth proportional to 22,163.89, 30,585.35 and 12,604.16 is: 17,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.89 : 30,585.35 = 12,604.16 : x
  2. Step 2: Convert to fraction form
    22,163.89/30,585.35 = 12,604.16/x
  3. Step 3: Cross multiply
    22,163.89x = 30,585.35 × 12,604.16
  4. Step 4: Simplify right side
    22,163.89x = 385,502,645.06
  5. Step 5: Solve for x
    x = 385,502,645.06/22,163.89
  6. Step 6: Final answer
    x = 17,393.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.